High School Graduate or Higher (5-year estimate) in Decatur County, TN was 85.10% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Decatur County, TN reached a record high of 85.90 in January of 2019 and a record low of 71.90 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher (5-year estimate) in Decatur County, TN - last updated from the United States Federal Reserve on May of 2024.